Question 1

Some asteroids have moons.

Accepted Answer

A) True 
 B)False

Question 2

The ____ of a comet is a lump of fragile, porous material containing ices of water, carbon dioxide, and ammonia.

Accepted Answer

A)  nucleus 
B)  coma 
C)  dust tail 
D)  gas tail 
E)  chondrule 
A)  nucleus 
B)  coma 
C)  dust tail 
D)  gas tail 
E)  chondrule

Question 3

Why don't short-period comets have randomly oriented orbits?

Accepted Answer

A)  Their orbits have been altered by encounters with planets. 
B)  Their orbits are altered by the Sun's gravitational pull. 
C)  Their orbits have been altered by impacts from asteroids. 
D)  Their orbits have been altered by the Lagrange points of Jupiter. 
E)  Their orbits have been altered by solar wind particles from a CME. 
A)  Their orbits have been altered by encounters with planets. 
B)  Their orbits are altered by the Sun's gravitational pull. 
C)  Their orbits have been altered by impacts from asteroids. 
D)  Their orbits have been altered by the Lagrange points of Jupiter. 
E)  Their orbits have been altered by solar wind particles from a CME.

Question 4

Where on Earth is the impact crater that scientists believe caused the extinction of dinosaurs?

Accepted Answer

A)  Flagstaff, Arizona 
B)  Chicxulub, Mexico 
C)  Aricebo, Puerto Rico 
D)  Mauna Kea, Hawaii 
E)  Antarctica 
A)  Flagstaff, Arizona 
B)  Chicxulub, Mexico 
C)  Aricebo, Puerto Rico 
D)  Mauna Kea, Hawaii 
E)  Antarctica

Question 5

_______________ are comets that come very close to the Sun.

Accepted Answer

The answer of _______________ are comets that come very close...

Question 6

What do the size and shape of Widmanstätten patters indicate?

Accepted Answer

A)  the age of the meteorite 
B)  that the molten metal of the meteorite cooled very slowly 
C)  the metallic content of the core of the meteorite 
D)  the origination of the meteorite 
E)  the number of organic compounds found within the meteorite 
A)  the age of the meteorite 
B)  that the molten metal of the meteorite cooled very slowly 
C)  the metallic content of the core of the meteorite 
D)  the origination of the meteorite 
E)  the number of organic compounds found within the meteorite

Question 7

Eugene Shoemaker proved that the Barringer Crater is the result of an impact because he found _______________ in and around the crater that had been subjected to pressures higher than those produced by a volcano.

Accepted Answer

The answer of Eugene Shoemaker proved that the Barringer Crater...

Question 8

Which type of asteroid is classified as rocky, bright, and reddish?

Accepted Answer

A)  C-type 
B)  F-type 
C)  M-type 
D)  S-type 
E)  V-type 
A)  C-type 
B)  F-type 
C)  M-type 
D)  S-type 
E)  V-type

Question 9

Explain the phenomenon of Kirkwood gaps. Where can they occur?

Accepted Answer

The distribution of asteroids in the bel

Question 10

Long-period comets originate in the _______________.

Accepted Answer

The answer of Long-period comets originate in the _______________....

Question 11

What do you think would happen to life on Earth if Earth was hit by a large (1 km or bigger) asteroid or comet?

Accepted Answer

Sixty-five million years ago, at the end

Question 12

Asteroid 2004 MN4 is predicted to strike Earth in 2029.

Accepted Answer

A) True 
 B)False

Question 13

What type of celestial bodies are found within the Oort cloud?

Accepted Answer

A)  terrestrial-like planets 
B)  planetesimals 
C)  icy gas giants 
D)  dust and rock 
E)  icy bodies 
A)  terrestrial-like planets 
B)  planetesimals 
C)  icy gas giants 
D)  dust and rock 
E)  icy bodies

Question 14

Earth is hit about once a week by meter-size asteroids.

Accepted Answer

A) True 
 B)False

Question 15

_______________ objects are asteroids with orbits that carry them into the inner Solar System.

Accepted Answer

Apollo-Amo

Question 16

Most meteors come from pieces of comets.

Accepted Answer

A) True 
 B)False

Question 17

Gas and dust released by a comet's icy nucleus produce a(n) _______________ and are then blown outward, away from the Sun.

Accepted Answer

The answer of Gas and dust released by a comet's...

Question 18

Only about three comets per year plunge into the Sun and are destroyed.

Accepted Answer

A) True 
 B)False

Question 19

What do scientists believe to have caused the Tunguska event?

Accepted Answer

A)  a comet 
B)  an iron asteroid 
C)  a stony-iron meteorite 
D)  a stony asteroid 
E)  a carbonaceous chondrite 
A)  a comet 
B)  an iron asteroid 
C)  a stony-iron meteorite 
D)  a stony asteroid 
E)  a carbonaceous chondrite

Question 20

Where are S-type asteroids typically found in the Solar System?

Accepted Answer

A)  in the Kuiper belt 
B)  the inner asteroid belt 
C)  the outer asteroid belt 
D)  at the Lagrange points of Jupiter 
E)  near Earth 
A)  in the Kuiper belt 
B)  the inner asteroid belt 
C)  the outer asteroid belt 
D)  at the Lagrange points of Jupiter 
E)  near Earth

Some asteroids have moons.

The ____ of a comet is a lump of fragile, porous material containing ices of water, carbon dioxide, and ammonia.

Why don't short-period comets have randomly oriented orbits?

Where on Earth is the impact crater that scientists believe caused the extinction of dinosaurs?

_______________ are comets that come very close to the Sun.

What do the size and shape of Widmanstätten patters indicate?

Eugene Shoemaker proved that the Barringer Crater is the result of an impact because he found _______________ in and around the crater that had been subjected to pressures higher than those produced by a volcano.

Which type of asteroid is classified as rocky, bright, and reddish?

Explain the phenomenon of Kirkwood gaps. Where can they occur?

Long-period comets originate in the _______________.

What do you think would happen to life on Earth if Earth was hit by a large (1 km or bigger) asteroid or comet?

Asteroid 2004 MN4 is predicted to strike Earth in 2029.

What type of celestial bodies are found within the Oort cloud?

Earth is hit about once a week by meter-size asteroids.

_______________ objects are asteroids with orbits that carry them into the inner Solar System.

Most meteors come from pieces of comets.

Gas and dust released by a comet's icy nucleus produce a(n) _______________ and are then blown outward, away from the Sun.

Only about three comets per year plunge into the Sun and are destroyed.

What do scientists believe to have caused the Tunguska event?

Where are S-type asteroids typically found in the Solar System?

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Astrobiology: Life on Other Worlds

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Exam 16: Meteorites Asteroids and Comets

Some asteroids have moons.

The ____ of a comet is a lump of fragile, porous material containing ices of water, carbon dioxide, and ammonia.

Why don't short-period comets have randomly oriented orbits?

Where on Earth is the impact crater that scientists believe caused the extinction of dinosaurs?

_______________ are comets that come very close to the Sun.

What do the size and shape of Widmanstätten patters indicate?

Eugene Shoemaker proved that the Barringer Crater is the result of an impact because he found _______________ in and around the crater that had been subjected to pressures higher than those produced by a volcano.

Which type of asteroid is classified as rocky, bright, and reddish?

Explain the phenomenon of Kirkwood gaps. Where can they occur?

Long-period comets originate in the _______________.

What do you think would happen to life on Earth if Earth was hit by a large (1 km or bigger) asteroid or comet?

Asteroid 2004 MN4 is predicted to strike Earth in 2029.

What type of celestial bodies are found within the Oort cloud?

Earth is hit about once a week by meter-size asteroids.

_______________ objects are asteroids with orbits that carry them into the inner Solar System.

Most meteors come from pieces of comets.

Gas and dust released by a comet's icy nucleus produce a(n) _______________ and are then blown outward, away from the Sun.

Only about three comets per year plunge into the Sun and are destroyed.

What do scientists believe to have caused the Tunguska event?

Where are S-type asteroids typically found in the Solar System?

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Astrobiology: Life on Other Worlds

Filters